package compiler.parse;
import java.util.*;
class Test{
	
}
public class TestJava {
	public static Object f(){
		return null;
	}
	public static void main(String[] args){
		Object o = f();
		List<String> x = new ArrayList<String>();
		if(o instanceof Test)
			System.out.println("Test");
		else if(o == null)
			System.out.println("0");
		if(x.isEmpty())System.out.println("isEmpty");
	}
}
